To be fair, developers have had barely more than a month to implement support for Lion’s new features, a time-frame that is tight even by the standards of experienced professional developers. Smaller developers offering inexpensive or free apps will require more time to make their software compatible.

Apple made no announcement to coincide with this new section of the app store, and hasn’t provided any information about how long it might last. The apps listed are only given special placement, not special pricing, so there’s no need to act fast.

Kind of, yes. If you subscribe to the following RSS link: http://www.makeuseof.com/feed/?cat=-57
It excludes any stories in the mac apps and tips. However, I'm not sure if this item would still have showed, since technically it's a news story. Still, it should reduce some of your frustration if you really can't stand to read the apple stuff ;)